The British woman recovered from COVID-19, but the cough that developed during her illness did not go away. The test she underwent eventually revealed an unexpected cause for her persistent symptoms. It was a rare cancer - thyoma (a tumor of the thymus gland). We tell you what kind of disease it is, why it is dangerous, who is at risk and what symptoms can help identify it. link not working? Try it, from Belarus - with a VPN. Download our app for Android or iOS.